feat: optimize query path and add smoke test/demo assets

src/tools/query.ts

@@ -4,6 +4,25 @@ import type { Identity, QueryFilter, QueryInput, QueryOptions, YonexusSchema } f
 const DEFAULT_LIMIT = 20;
 const MAX_LIMIT = 100;
 
+const regexCache = new Map<string, RegExp>();
+const containsCache = new Map<string, string>();
+
+function getRegex(pattern: string): RegExp {
+  const cached = regexCache.get(pattern);
+  if (cached) return cached;
+  const created = new RegExp(pattern);
+  regexCache.set(pattern, created);
+  return created;
+}
+
+function normalizeNeedle(value: string): string {
+  const cached = containsCache.get(value);
+  if (cached) return cached;
+  const normalized = value.toLowerCase();
+  containsCache.set(value, normalized);
+  return normalized;
+}
+
 function isQueryable(field: string, schema: YonexusSchema): boolean {
   return Boolean(schema[field]?.queryable);
 }
@@ -15,9 +34,9 @@ function matchFilter(identity: Identity, filter: QueryFilter): boolean {
     case "eq":
       return raw === filter.value;
     case "contains":
-      return raw.toLowerCase().includes(filter.value.toLowerCase());
+      return raw.toLowerCase().includes(normalizeNeedle(filter.value));
     case "regex": {
-      const re = new RegExp(filter.value);
+      const re = getRegex(filter.value);
       return re.test(raw);
     }
     default:
@@ -31,6 +50,15 @@ function normalizeOptions(options?: QueryOptions): Required<QueryOptions> {
   return { limit, offset };
 }
 
+function sortFilters(filters: QueryFilter[]): QueryFilter[] {
+  const weight = (f: QueryFilter): number => {
+    if (f.op === 'eq') return 1;
+    if (f.op === 'contains') return 2;
+    return 3;
+  };
+  return [...filters].sort((a, b) => weight(a) - weight(b));
+}
+
 export function queryIdentities(identities: Identity[], input: QueryInput, schema: YonexusSchema): Identity[] {
   for (const filter of input.filters) {
     if (!isQueryable(filter.field, schema)) {
@@ -40,7 +68,8 @@ export function queryIdentities(identities: Identity[], input: QueryInput, schem
     }
   }
 
-  const filtered = identities.filter((identity) => input.filters.every((f) => matchFilter(identity, f)));
+  const orderedFilters = sortFilters(input.filters);
+  const filtered = identities.filter((identity) => orderedFilters.every((f) => matchFilter(identity, f)));
   const { limit, offset } = normalizeOptions(input.options);
   return filtered.slice(offset, offset + limit);
 }